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Summary of Contents for Bang & Olufsen BEOCENTER 2000
- Page 2 Bang&Oiufsen • MEASURING CONDITIONS DC voltages are measured without signal relative to ground with voltmeter (inner resistance Mohms). DC voltages are stated in volts (V), ex.: 0. 7 V. AC voltages are measured relative to ground with oscilloscope or voltmeter with an input resistance of Mohm.
- Page 3 Bang&Oiufsen DIAGRAM! 8002417 300 ohm �Zn FM-IF STEREO DECODER SECTION 5,4V �PC 1161C � J:zzJ' H-02 02-A,B,C,O, E, F , G ,H,...
- Page 4 Bang&Oiufsen DIAGRAM2 • 8002423 - - - - - - - - - - :02: - - - - - - - - - • 4 2V � 1 4 V 0 (('0 1 9 V -16V P6-2 o._}io � 240V 0 cro o •...
- Page 5 Bang&Oiufsen DIAGRAM3 • c! r 1'9-7 � DOL BY NR. IC 201 NE 6469 , � , I OOL9Y NR. RIGHT. � REC.SW. �·�·�·�·�·�·�·�·�·�· ..-.. REC. PLAY B . _ ____ • 1C101 NE 6469 LEFT. • •• 111 80 04 2 23 AUTO STOP 02·1 �...
- Page 6 Bang&Oiufsen Bang&Oiufsen AM RF Section, 8002419, PC4 DIAGRAM4 8005056 TAPE ._.. y �grey {SI.-( R. C "iJ Volume and tone control, 10� 8002420,PC5 B ----,- -- -- Z ll JI _till U T -g C102 C l OG 1� 2)'2 "' 0.
- Page 8 1- 9 Bang&Oiufsen 1-11 Bang&Oiufsen 8005055, 8004222, PC13 Phono and Mic. Amplifier, REC-Level Indicator, 41'7 ® R12c �:· � o:JJ � ·9 'EY .__ b ... o; ,... � 1 0fJ'2 � R 231 .,_br 8004223, 04?� � f?Jh Autos top, o{] ..
- Page 9 1-10 Bang&Oiufsen Bang&Oiufsen LIST OF TRANSISTORS AND IC's Tape Amplifier, 8004221, PC12 • • [;]8 c • c:. & E • c • "'T1 2TR1 8320459 2SC 460 9TR 102/202 8320385 2SA836 8C5608 2TR2 8320152 2SA844 � ..- -(JK)-. Sn� �...
- Page 10 3 - 2 Bang&Oiufsen Bang&Oiufsen LIST OF DIODES 4- 0 10062 330 pF ± 10% 40000 4 9 15pF ±2.5% t:j �n+o ot' I� _QJ_2j _j RFLW 8020346 8020350 468 kHz Parallel trap 8020345 8020347 468kHz IF 8020349 kHz S es trap 8020348 6.10001...
- Page 11 3 -1 Bang&Oiufsen Bang&Oiufsen LIST OF ELECTRICAL PARTS nF -20+ 100% 100V 420042S 11J.f 50V 0091 • • 0091 nF -20+ 100% 100V 4200430 4. 71JF 50 V 2 00443 4010091 10 nF -20+ 100% 100V FM Section, 8002417, PC2 501006S 100 ohms ±S% 1/SW S010053...
- Page 12 4 -2 Bang&Oiufsen Bang&Oiufsen 3- 4 R205 5010068 820 oh m s ±5% 1/SW R227 5370153 20koh m s20% R206 5010154 8.2 koh m s ±5% 1/SW R228 5370153 20koh m s20% R207 5010056 82 oh m s ±5% 1/SW R229 5010079 22 koh m s ±5% 1/SW...
- Page 14 Bang&Oiufsen • • 18151 18152 • • 18158 18100 • 18101...
- Page 15 Bang&Oiufsen r-1401 Module 19, gramophone >-1402 t-1403 --< 1/.Modul 1509 1510 __ __ _,- 1544 1514 1503 1547 1529 1548 1517 ® ---- 1531 -1532 1 .!, 1506 • '"' 1550 I � 1 � 1551 - .., 1535 1520 _®�...
- Page 16 Bang&Oiufsen Bang&Oiufsen 2530404 Bracket Module 20, radio section 18140 3951017 Plastic tube 50 18159 • • OlModul 8050077 Tuner 18160 2810118 Spring 18141 2622316 Plastic washer 18142 2810123 Spring 18161 7530098 Solder tag Arm<< 18144 2853088 18162 2853081 02Modul 8002417 PC, FM 0202 6140830...
- Page 17 Bang&Oiufsen Bang&Oiufsen ADJUSTMENTS • • RADIO SECTION Tuning voltage Activate FM. 108. 5 Set the dial at MHz. 2TP1. Connect voltmeter to Adjust to 22.2 V with 2R36. Set the dial to 87.4 MHz. with Adjust to 2.8 2R33. Activate and turn its dial to minimum.
- Page 18 Bang&Oiufsen Bang&Oiufsen 30Hz 6,3kHz 15kHz • Playback frequency path 250Hz 1kHz • Channel separation Connect the stereo decoder to the aerial input. Connect a wattmeter or an AC voltmeter to the AF output. Adjust with 2R5 4 to max. channel separation (better than 30 dB). AM-IF Set the receiver at, e.g., 1,600 kHz.
- Page 20 Ban g &Oiufsen Ban g &Oiufsen Pause MELHANICAL ADJUSTMENTS Normal forward drive B e n din g of the flap o n the pressure roll assembly ensures clearance between C and E when activating the> button. It likewise ensures that the pressure roll asse b l y (and thus the ressure roll prober) is lifted off the ca p stan shaft when the buttons>...
- Page 21 Bang&Oiufsen Bang&Oiufsen ADJUSTMENTS Rewinding • • RECORD PLAYER Speed @}[) " - .- ..IOR9 IORII � The adjustment for r.p.rn. is made with 10R9. lORll. The adjustment for 45 r.p.m. is made with The speed may checked in several ways, e.
- Page 22 Bang&Oiufsen Bang&Oiufsen MEcHANICAL ADJUSTMENTS Pause Nonnal forward drive Bending of the flap on the pressure roll assembly ensures clearance between and B when activating the > button. It likewise ensures that the pressure roll assembly (and thus the ressure roll prober) is lifted off the capstan shaft when the buttons >...
- Page 23 Bang&Oiufsen Bang&Oiufsen DESCRIPTION Due to the fact that the circuits of the Beocenter 2000 are rather conventional, Pick-up height they will be described by means of block diagrams. Power supply Pow..,. supply Put a record on the turntable. , 42 V Position the pick-up arm above a run-off groove.
- Page 24 Bang&Oiufsen Bang&Oiufsen Pick-up arm set-down point • • Tapo The pick-up arm set-down points are adjustable from top and from below. With activated, adjust eccentric A in such a way that the pick-up at >> << • • automatic set-down will set-down inside the section indicated cm on below diagram.
- Page 25 Bang&Oiufsen 10-1 Bang&Oiufsen • ADSKILLELSE T ECHNICAL SPECIFICATIONS • Power output RMS DIN 2 x 25 watts/ 4 ohms DISASSEMBLY Amplifier 2 x 20 watts/ 8 ohms Harmonic distortion -26 dB <0.15% Harmonic distortion <0. 2 % lntermodulation <0.4% Frequency range ± 1.5 dB 20-25,000 Hz Damping factor >30...
- Page 26 11-1 Bang&Oiufsen Bang&Oiufsen SERVICETIPS • Other Data Power supply 110-130-220-240 volts Wiring of transformer wh Lh lbl Power frequency 50Hz Power consumption 18-135 watts Dimensions W 73.5 12.5 38 cm 11.2 kg Weight "' Subject to change without notice 800 24 23 Wow frequencies Source of Failure Frequencies...
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